DLMF:27.9.E3 (Q8057)

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DLMF:27.9.E3
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    Statements

    ( p | q ) ( q | p ) = ( - 1 ) ( p - 1 ) ( q - 1 ) / 4 . Legendre-symbol 𝑝 𝑞 Legendre-symbol 𝑞 𝑝 superscript 1 𝑝 1 𝑞 1 4 {\displaystyle{\displaystyle(p|q)(q|p)=(-1)^{(p-1)(q-1)/4}.}}
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    DLMF:27.9.E3
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    p , q 𝑝 𝑞 {\displaystyle{\displaystyle p,q}}
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    ( n | p ) Legendre-symbol 𝑛 𝑝 {\displaystyle{\displaystyle(\NVar{n}|\NVar{p})}}
    C27.S9.m1abdec
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    p 𝑝 {\displaystyle{\displaystyle p}}
    C27.S9.XMD1.m1bdec
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    q 𝑞 {\displaystyle{\displaystyle q}}
    C27.S9.XMD2.m1dec
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